1-(4-Ethynylphenyl)-4-methylpiperazine CAS 1421580-82-6
| CAS No. | 1421580-82-6 |
| Molecular Formula | C13H16N2 |
| Molecular Weight | 200.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(4-Ethynylphenyl)-4-methylpiperazine (CAS 1421580-82-6) is a high-purity analytical reference standard with the molecular formula C13H16N2 and a molecular weight of 200.28 g/mol.
Based on its molecular formula C13H16N2, 1-(4-Ethynylphenyl)-4-methylpiperazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 200.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 1-(4-Ethynylphenyl)-4-methylpiperazine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H16N2 |
| Molecular Weight | 200.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Ethynylphenyl Standards
- 4-(2-Ethynylphenyl)thiazol-2-amine (CAS 2228369-57-9)
- N-(3-ethynylphenyl)azetidine-3-carboxamide (CAS 1834051-70-5)
- 1-(4-Ethynylphenyl)cyclobutane-1-carboxylic acid (CAS 1314754-52-3)
- Methyl 1-(4-ethynylphenyl)cyclopropanecarboxylate (CAS 1423702-79-7)
- 1-(2-Ethynylphenyl)cyclobutane-1-carboxylic acid (CAS 2228813-45-2)
- 1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-ol (CAS 1443429-33-1)
- (R)-1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-ol (CAS 2227783-06-2)
- (S)-1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-ol (CAS 2227815-41-8)
Recommended Standards
- tert-butyl 3-(1-aminoethyl)azetidine-1-carboxylate (CAS 1420852-13-6)
- 2-(4-Hydroxyphenyl)-5-pyrimidinol (CAS 142172-97-2)
- 1-Isopropyl-2-(o-tolyl)-1H-imidazole (CAS 141237-80-1)
- rel-tert-Butyl ((3R,5R)-5-methylpyrrolidin-3-yl)carbamate (CAS 1428540-33-3)
- 1-Amino-2-butanone Hydrochloride (CAS 108661-54-7)
- 4-Hydroxyacridine (CAS 18123-20-1)
- 3,4-Difluoro-2-hydroxybenzaldehyde (CAS 502762-95-0)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylbutanoic acid (CAS 1231709-22-0)
- 1,3-Dichloro-6-fluoro-7-methoxyisoquinoline (CAS 2089258-03-5)
- 4-Bromo-2-methyl-5-oxo-2,5-dihydrofuran-3-yl hexanoate (CAS 61222-87-5)
- (3-Amino-4-methylphenyl)(4-isopropylpiperazin-1-yl)methanone (CAS 1154107-19-3)
- 6-O-Trityl-D-glucose (CAS 67919-34-0)
- Arachidonyl-2-chloroethylamide (CAS 220556-69-4)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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